Running Server-Side Javascript (SSJS) on Ubuntu
Using JSEXT, I can now run javascript as a server-side scripting language on my Ubuntu box!
The main awesome thing about JSEXT is that a javascript file can be run either client- or server-side. This means that much your data validation code and some of your business logic can be kept in the same language, instead of splitting it into (for example) PHP + javascript. Furthermore, there's only one file to maintain for any given bit of logic.
Here's a quickstart guide to get JSEXT up and running with Apache 2 on Ubuntu 8.04 Hardy Heron: